Many alt coin is my favorite in 2018-
1.EOS
2.LiteCoin (LTC)
3.Dash
4.Monero
5.Zcash
6.NXT
7.Cindicator (CND)
8.FintruX Network (FTX)
EOS price rapidly growing day by day.I invested 900 EOS price was 2$ still i got more profit.Those all coin are added in portfolio i think i can get huge profit if i keep hold 2 years.